/*! ========================================================================
** Synfig
**
**	Copyright (c) 2007 Paul Wise
**	Copyright (c) 2007 Chris Moore
**
**	This package is free software; you can redistribute it and/or
**	modify it under the terms of the GNU General Public License as
**	published by the Free Software Foundation; either version 2 of
**	the License, or (at your option) any later version.
**
**	This package is distributed in the hope that it will be useful,
**	but WITHOUT ANY WARRANTY; without even the implied warranty of
**	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
**	General Public License for more details.
**
** === N O T E S ===========================================================
**
** ========================================================================= */

#ifndef __SYNFIG_TRGT_MNG_H
#define __SYNFIG_TRGT_MNG_H

#include <synfig/target_scanline.h>
#include <synfig/string.h>
#include <synfig/targetparam.h>
#include <cstdio>

#if !defined(MNG_SUPPORT_FULL)
#define MNG_SUPPORT_FULL 1
#endif

#if !defined(MNG_SUPPORT_READ)
#define MNG_SUPPORT_READ 1
#endif

#if !defined(MNG_SUPPORT_WRITE)
#define MNG_SUPPORT_WRITE 1
#endif

#if !defined(MNG_SUPPORT_DISPLAY)
#define MNG_SUPPORT_DISPLAY 1
#endif

#if !defined(MNG_ACCESS_CHUNKS)
#define MNG_ACCESS_CHUNKS 1
#endif

#include <libmng.h>

class mng_trgt : public synfig::Target_Scanline
{
    SYNFIG_TARGET_MODULE_EXT

private:

    FILE *file;
    int w, h;
    mng_handle mng;

    bool multi_image, ready;
    int imagecount;
    synfig::String filename;
    unsigned char *buffer;
    synfig::Color *color_buffer;

    z_stream zstream;
    unsigned char* zbuffer;
    unsigned int zbuffer_len;

public:

    mng_trgt(const char *filename, const synfig::TargetParam& /* params */);
    virtual ~mng_trgt();

    virtual bool set_rend_desc(synfig::RendDesc *desc);
    virtual bool init(synfig::ProgressCallback *cb);
    virtual bool start_frame(synfig::ProgressCallback *cb);
    virtual void end_frame();

    virtual synfig::Color * start_scanline(int scanline);
    virtual bool end_scanline();
};

#endif